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ON
Fractional
OFF
Transparent
SW2 switch definition (default OFF)
st
1
bit
Definition
TS8
ON
√
OFF
×
SW3 switch definition (default OFF)
st
1
bit
Definition
TS16*
ON
√
OFF
×
SW4 switch definition (default OFF)
st
1
bit
Definition
TS24
ON
√
OFF
×
Attention:
If SW1-1 is in the transparent mode, TS1 to TS31 switches are not effective.
If SW1-1 is in the fractional mode, TS1 to TS31 switches are effective and cannot be
all OFF. At least one timeslot is enabled, or else it is not fractional.
If SW3-1(TS16) is enabled, the equipment is working under the PCM31 mode.
If SW3-1(TS16) is disabled, the equipment is working under the PCM30 mode.
Function selecting converter SW5:
The '√' means enable, and '×' means disable.
SW5 converter definition
st
1
bit
Definition Timing
Clock 1
ON
*
OFF
*
st
nd
1. 1
and 2
bit: clock selecting switch Timing1, Timing2 (default all ON)
The clock mode is decided by both the 1
st
1
bit
√
√
×
×
nd
rd
2
bit
3
bit
TS9
TS10
√
√
×
×
nd
rd
2
bit
3
bit
TS17
TS18
√
√
×
×
nd
rd
2
bit
3
bit
TS25
TS26
√
√
×
×
nd
rd
2
bit
3
bit
Timing
TS_FLOW
clock2
Time slot
Bit error
follow
test
*
√
*
×
nd
2
bit
√
√
×
×
th
th
4
bit
5
bit
TS11
TS12
√
√
×
×
th
th
4
bit
5
bit
TS19
TS20
√
√
×
×
th
th
4
bit
5
bit
TS27
TS28
√
√
×
×
th
th
4
bit
5
bit
BERT
RX CLK
ALOOP
phase
Local V35
loop-back*
√
Negative
×
Positive
st
nd
and 2
switch, the definition is as follow:
Clock mode
11
√
√
×
×
th
th
6
bit
7
bit
TS13
TS14
√
√
×
×
th
th
6
bit
7
bit
TS21
TS22
√
√
×
×
th
th
6
bit
7
bit
TS29
TS30
√
√
×
×
th
th
6
bit
7
bit
DLOOP
Local E1
RemoteE1
port
Line
loop-back*
loop-back*
√
√
×
×
√
×
th
8
bit
TS15
√
×
th
8
bit
TS23
√
×
th
8
bit
TS31
√
×
th
8
bit
RLOOP
Line
√
×
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